/* Template 3 — Field Manual · light editorial stack + magazine rows + contact tiles */
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; width: 100%; overflow-x: hidden; }
*, *:before, *:after { box-sizing: border-box; }

body.z42e8bbody {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #1c2430;
  background: #eef2f6;
  line-height: 1.7;
  word-wrap: break-word;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }

.z42e8bcontainer {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

.z42e8bheader {
  position: sticky; top: 0; z-index: 200;
  background: rgba(238, 242, 246, .92);
  border-bottom: 1px solid #d5dde7;
  backdrop-filter: blur(10px);
}
.z42e8bnav_wrap {
  display: flex; align-items: center; gap: 16px; min-height: 70px;
}
.z42e8blogo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; color: #132033; flex-shrink: 0;
}
.z42e8blogo_mark {
  width: 14px; height: 14px;
  background: #2f6fed;
  box-shadow: 4px 4px 0 #132033;
}
.z42e8blogo_text { font-size: 17px; letter-spacing: -.02em; }
.z42e8bnav_toggle { position: absolute; left: -9999px; opacity: 0; }
.z42e8bnav_btn { display: none; cursor: pointer; margin-left: auto; padding: 8px; }
.z42e8bnav_btn span {
  display: block; width: 22px; height: 2px; margin: 5px 0; background: #132033;
}
.z42e8bnav { margin-left: auto; }
.z42e8bnav_list { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; }
.z42e8bnav_link {
  display: block; padding: 8px 12px; font-size: 14px; color: #4a5a6e; font-weight: 500;
}
.z42e8bnav_link:hover { color: #2f6fed; }
.z42e8bheader_cta {
  flex-shrink: 0; padding: 10px 16px; background: #132033; color: #fff !important;
  font-size: 13px; font-weight: 700;
}
.z42e8bheader_cta:hover { background: #2f6fed; }

.z42e8bbtn {
  display: inline-block; padding: 13px 24px; font-weight: 700; font-size: 14px;
  border: 2px solid transparent; text-align: center;
}
.z42e8bbtn_primary { background: #2f6fed; color: #fff !important; }
.z42e8bbtn_primary:hover { background: #132033; }
.z42e8bbtn_ghost { border-color: #132033; color: #132033 !important; background: transparent; }
.z42e8bbtn_ghost:hover { background: #132033; color: #fff !important; }

/* Centered stacked banner — text above full-bleed figure */
.z42e8bbanner {
  padding: 56px 0 0;
  background:
    linear-gradient(180deg, #e8eef6 0%, #eef2f6 55%, #ffffff 100%);
}
.z42e8bbanner_stack {
  display: flex; flex-direction: column; align-items: center; text-align: center;
}
.z42e8bbanner_tag {
  display: inline-block; padding: 6px 14px; margin-bottom: 18px;
  font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  color: #2f6fed; background: rgba(47,111,237,.1); font-weight: 700;
}
.z42e8bbanner_title {
  font-size: clamp(32px, 5vw, 52px); line-height: 1.15;
  color: #132033; font-weight: 800; max-width: 820px; margin-bottom: 18px;
  letter-spacing: -.03em;
}
.z42e8bbanner_desc {
  font-size: 17px; color: #5a6b80; max-width: 640px; margin-bottom: 28px;
}
.z42e8bbanner_actions {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 40px;
}
.z42e8bbanner_figure {
  width: 100%; margin: 0; position: relative;
  border: 1px solid #d5dde7; border-bottom: 0;
  background: #132033;
}
.z42e8bbanner_img {
  width: 100%; height: clamp(220px, 38vw, 420px); object-fit: cover;
  opacity: .92;
}
.z42e8bbanner_figure figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 14px 18px; text-align: left;
  background: linear-gradient(transparent, rgba(19,32,51,.85));
  color: #dce6f2; font-size: 13px; letter-spacing: .04em;
}

.z42e8bad { padding: 16px 0; text-align: center; background: #fff; }

.z42e8bstats {
  padding: 0 0 8px; background: #fff;
  border-bottom: 1px solid #d5dde7;
}
.z42e8bstats_grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid #d5dde7; border-bottom: 0;
}
.z42e8bstat_item {
  padding: 28px 16px; text-align: center;
  border-right: 1px solid #d5dde7; background: #f7f9fc;
}
.z42e8bstat_item:last-child { border-right: 0; }
.z42e8bstat_item strong {
  display: block; font-size: 28px; color: #2f6fed; font-weight: 800; margin-bottom: 4px;
}
.z42e8bstat_item span { font-size: 13px; color: #5a6b80; }

.z42e8bsection { padding: 72px 0; background: #fff; }
.z42e8bsection_alt { background: #eef2f6; }
.z42e8bsection_head { text-align: center; max-width: 620px; margin: 0 auto 40px; }
.z42e8bsection_title {
  font-size: clamp(26px, 3.2vw, 36px); color: #132033;
  font-weight: 800; margin-bottom: 12px; letter-spacing: -.02em;
}
.z42e8bsection_desc { font-size: 15px; color: #5a6b80; }

/* Magazine alternating rows */
.z42e8bmagazine { display: flex; flex-direction: column; gap: 0; }
.z42e8bmag_row {
  display: grid; grid-template-columns: 1fr 120px; gap: 24px; align-items: center;
  padding: 32px 8px; border-top: 1px solid #d5dde7;
}
.z42e8bmag_row:last-child { border-bottom: 1px solid #d5dde7; }
.z42e8bmag_rev { grid-template-columns: 120px 1fr; }
.z42e8bmag_rev .z42e8bmag_text { order: 2; text-align: right; }
.z42e8bmag_rev .z42e8bmag_num { order: 1; }
.z42e8bmag_text h3 {
  font-size: 22px; color: #132033; margin-bottom: 10px; font-weight: 800;
}
.z42e8bmag_text p { font-size: 15px; color: #5a6b80; max-width: 560px; }
.z42e8bmag_rev .z42e8bmag_text p { margin-left: auto; }
.z42e8bmag_num {
  font-size: 56px; font-weight: 800; color: #d5dde7; line-height: 1; text-align: center;
}

/* Advantage 2x2 */
.z42e8badv_row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
.z42e8badv_row > div {
  padding: 28px 24px; background: #fff; border: 1px solid #d5dde7;
  border-top: 4px solid #2f6fed;
}
.z42e8badv_row h3 { font-size: 18px; color: #132033; margin-bottom: 10px; }
.z42e8badv_row p { font-size: 14px; color: #5a6b80; }

/* Horizontal process cards */
.z42e8bprocess {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  counter-reset: none;
}
.z42e8bprocess li {
  padding: 24px 18px; background: #eef2f6; border: 1px solid #d5dde7;
  position: relative;
}
.z42e8bprocess span {
  display: inline-block; font-size: 12px; letter-spacing: .08em;
  color: #2f6fed; font-weight: 700; margin-bottom: 12px; text-transform: uppercase;
}
.z42e8bprocess h3 { font-size: 17px; color: #132033; margin-bottom: 8px; }
.z42e8bprocess p { font-size: 14px; color: #5a6b80; }

.z42e8bsection_contact { background: #132033; color: #dce6f2; }
.z42e8bsection_contact .z42e8bsection_title { color: #fff; }
.z42e8bsection_contact .z42e8bsection_desc { color: #9aadc2; }
.z42e8bcontact_grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.z42e8bcontact {
  padding: 28px 22px; background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
}
.z42e8bcontact h3 { font-size: 15px; color: #9aadc2; margin-bottom: 12px; font-weight: 600; }
.z42e8bcontact_value {
  font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 12px;
  word-break: break-all;
}
.z42e8bcontact_note { font-size: 13px; color: #8a9fb5; }
.z42e8bcontact_tip {
  margin-top: 22px; padding: 16px 18px;
  border-left: 3px solid #2f6fed; background: rgba(47,111,237,.12);
}
.z42e8bcontact_tip p { font-size: 14px; color: #c5d4e4; }

.z42e8bflink { background: #eef2f6; }
.z42e8bflink_list {
  display: flex; flex-wrap: wrap; gap: 10px 16px; justify-content: center;
}
.z42e8bflink_list a {
  padding: 8px 14px; font-size: 14px; color: #4a5a6e;
  background: #fff; border: 1px solid #d5dde7;
}
.z42e8bflink_list a:hover { color: #2f6fed; border-color: #2f6fed; }

.z42e8bfooter {
  padding: 40px 0 28px; background: #f7f9fc;
  border-top: 1px solid #d5dde7;
}
.z42e8bfooter_inner {
  display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 24px; align-items: start;
}
.z42e8bfooter_brand a {
  display: block; font-size: 18px; font-weight: 800; color: #132033; margin-bottom: 8px;
}
.z42e8bfooter_brand p { font-size: 13px; color: #5a6b80; }
.z42e8bfooter_links {
  display: flex; flex-direction: column; gap: 8px;
}
.z42e8bfooter_links a { font-size: 14px; color: #4a5a6e; }
.z42e8bfooter_links a:hover { color: #2f6fed; }
.z42e8bcopyright { font-size: 12px; color: #7a8a9c; }
.z42e8bcopyright p { margin-bottom: 4px; }
.z42e8bcopyright a { color: #4a5a6e; }

@media (max-width: 960px) {
  .z42e8bprocess { grid-template-columns: repeat(2, 1fr); }
  .z42e8bcontact_grid { grid-template-columns: 1fr; }
  .z42e8bfooter_inner { grid-template-columns: 1fr; }
  .z42e8bstats_grid { grid-template-columns: repeat(2, 1fr); }
  .z42e8bstat_item:nth-child(2) { border-right: 0; }
  .z42e8bstat_item:nth-child(1),
  .z42e8bstat_item:nth-child(2) { border-bottom: 1px solid #d5dde7; }
}
@media (max-width: 800px) {
  .z42e8bnav_btn { display: block; }
  .z42e8bnav,
  .z42e8bheader_cta { display: none; width: 100%; }
  .z42e8bnav_wrap { flex-wrap: wrap; }
  .z42e8bnav_toggle:checked ~ .z42e8bnav { display: block; order: 10; }
  .z42e8bnav_toggle:checked ~ .z42e8bheader_cta {
    display: block; order: 11; text-align: center; margin-bottom: 12px;
  }
  .z42e8bnav_list { flex-direction: column; align-items: stretch; padding-bottom: 8px; }
  .z42e8badv_row { grid-template-columns: 1fr; }
  .z42e8bmag_row,
  .z42e8bmag_rev { grid-template-columns: 1fr 72px; }
  .z42e8bmag_rev .z42e8bmag_text { order: 1; text-align: left; }
  .z42e8bmag_rev .z42e8bmag_num { order: 2; }
  .z42e8bmag_rev .z42e8bmag_text p { margin-left: 0; }
  .z42e8bmag_num { font-size: 40px; }
}
@media (max-width: 640px) {
  .z42e8bcontainer { width: calc(100% - 28px); }
  .z42e8bsection { padding: 52px 0; }
  .z42e8bbanner { padding-top: 40px; }
  .z42e8bprocess,
  .z42e8bstats_grid { grid-template-columns: 1fr; }
  .z42e8bstat_item {
    border-right: 0 !important;
    border-bottom: 1px solid #d5dde7;
  }
  .z42e8bstat_item:last-child { border-bottom: 0; }
}